Home / 7,286.52-10,929.84-2,092.39

Finding the Fourth Proportional to 7,286.52, 10,929.84 and 2,092.39

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Solution

The fourth proportional to 7,286.52, 10,929.84 and 2,092.39 is: 3,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.52 : 10,929.84 = 2,092.39 : x
  2. Step 2: Convert to fraction form
    7,286.52/10,929.84 = 2,092.39/x
  3. Step 3: Cross multiply
    7,286.52x = 10,929.84 × 2,092.39
  4. Step 4: Simplify right side
    7,286.52x = 22,869,487.92
  5. Step 5: Solve for x
    x = 22,869,487.92/7,286.52
  6. Step 6: Final answer
    x = 3,138.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.